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Senior Software Engineer, Windows/Desktop Applications - Lyon, France

58 minutes ago
France
Senior
Software Engineer
Software Development
C# C++ CI/CD .NET
Apply Now
Speechify

Speechify

Speechify is a top-rated text to speech AI app with voice cloning and dubbing features, serving over 10 million users including students and professionals.

Internet Software & Services
51-250
Founded 2017
View All Jobs 1063

Description

  • Lead the design, architecture, and development of native Windows desktop applications.
  • Define and enforce best practices for code architecture, performance, memory usage, UI responsiveness, compatibility, and maintainability.
  • Drive accessibility efforts by integrating and validating Windows accessibility APIs and usability features for users with disabilities.
  • Collaborate with product designers, UX researchers, QA, and other stakeholders on feature planning and UI/UX architecture.
  • Own the full lifecycle of features from conception and design through implementation, testing, release, and maintenance.
  • Identify, diagnose, and resolve complex bugs, performance bottlenecks, memory leaks, rendering issues, and compatibility problems.
  • Propose robust architectural and design solutions for platform and product issues.
  • Lead technical design discussions, mentor other engineers, and participate in architecture-level decisions.

Requirements

  • 3+ years of experience in Windows desktop application development using Windows App SDK, WinUI or similar frameworks, C#, and XAML.
  • Ideally additional experience with native Windows code, including C++, Win32, WinRT, or COM.
  • Deep understanding of Windows application architecture and interop between managed .NET code and native code.
  • Proven experience designing, building, and shipping production-quality desktop applications.
  • Strong experience with accessibility APIs on Windows, such as Microsoft UI Automation or similar.
  • Excellent software engineering fundamentals, including OOP, design patterns, data structures, algorithms, memory management, and multi-threading or asynchronous programming.
  • Experience leading technical design, mentoring engineers, conducting code reviews, and making architecture-level decisions.
  • Strong communication skills and the ability to articulate tradeoffs and collaborate across teams.
  • A user-centric mindset focused on polished, intuitive, and accessible experiences.
  • Preferred experience with automated UI testing, including unit tests, integration tests, and UI automation tests.
  • Preferred experience with desktop app performance optimization, including memory usage, startup time, rendering performance, high-DPI support, and responsiveness under load.
  • Preferred experience with localization, globalization, right-to-left UI support, and internationalization.
  • Preferred familiarity with telemetry, analytics, crash reporting, logging, and error monitoring in desktop applications.
  • Preferred experience shaping CI/CD workflows, release pipelines, and deployment strategies for desktop applications.
  • Preferred experience owning feature areas or modules long term, including maintenance, refactoring, and technical debt management.

Benefits

  • High-impact role with direct influence on the Windows product used by millions of users.
  • Collaborative, flat-structure engineering culture.
  • Opportunities to mentor others and grow into broader technical leadership roles such as Tech Lead or Architect.
  • Flexibility, autonomy, and responsibility to own features end-to-end.
  • Purpose-driven mission focused on building reliable, accessible, user-centered software.

Interested in this position?

Apply directly on the company website

Apply Now

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